<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title></title>
    <style media="screen">
    .box {width:300px; height:300px; background:#CCC; margin:10px auto 0; border-radius:50%;}
    </style>
  </head>
  <body>
    <div class="box">

    </div>
  </body>
</html>
